375409345 has 4 divisors (see below), whose sum is σ = 450491220. Its totient is φ = 300327472.

The previous prime is 375409339. The next prime is 375409369. The reversal of 375409345 is 543904573.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108805761 + 266603584 = 10431^2 + 16328^2 .

It is a cyclic number.

It is not a de Polignac number, because 375409345 - 2¹³ = 375401153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 375409298 and 375409307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37540930 + ... + 37540939.

It is an arithmetic number, because the mean of its divisors is an integer number (112622805).

Almost surely, 2^375409345 is an apocalyptic number.

It is an amenable number.

375409345 is a deficient number, since it is larger than the sum of its proper divisors (75081875).

375409345 is an equidigital number, since it uses as much as digits as its factorization.

375409345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75081874.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 375409345 is about 19375.4830907516. The cubic root of 375409345 is about 721.3870798046.

The spelling of 375409345 in words is "three hundred seventy-five million, four hundred nine thousand, three hundred forty-five".